Question: When did David Ben-Gurion become a member of the Knesset?
Paraphrase: Give the date on which David Ben-Gurion became a Knesset member.
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q37610 p:P39 ?s . ?s ps:P39 wd:Q4047513 . ?s pq:P580 ?value}